212244043054213 has 4 divisors (see below), whose sum is σ = 212661025457580. Its totient is φ = 211827060650848.

The previous prime is 212244043054181. The next prime is 212244043054231. The reversal of 212244043054213 is 312450340442212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126329552288164 + 85914490766049 = 11239642^2 + 9269007^2 .

It is a cyclic number.

It is not a de Polignac number, because 212244043054213 - 2⁵ = 212244043054181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212244043054243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208491200920 + ... + 208491201937.

It is an arithmetic number, because the mean of its divisors is an integer number (53165256364395).

Almost surely, 2^{212244043054213} is an apocalyptic number.

It is an amenable number.

212244043054213 is a deficient number, since it is larger than the sum of its proper divisors (416982403367).

212244043054213 is an equidigital number, since it uses as much as digits as its factorization.

212244043054213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416982403366.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 212244043054213 its reverse (312450340442212), we get a palindrome (524694383496425).

The spelling of 212244043054213 in words is "two hundred twelve trillion, two hundred forty-four billion, forty-three million, fifty-four thousand, two hundred thirteen".